Product comparison · 2 network transceiver modules

Allied Telesis AT-SPBD20-14-EXT network transceiver module Fiber optic 1000 Mbit/s SFP vs HP 453151-B21 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm

5specifications compared
2differ
3identical
22known for one product only

Key differences

Fiber optic connector
- AT-SPBD20-14-EXT network transceiver module Fiber optic 1000 Mbit/s SFP:SC
- 453151-B21 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm:SX
Maximum transfer distance
- AT-SPBD20-14-EXT network transceiver module Fiber optic 1000 Mbit/s SFP:20000 m
- 453151-B21 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm:550 m

Side by side

Differences highlightedShow differences only

Comparison of AT-SPBD20-14-EXT, 453151-B21
27 specifications	A Allied Telesis AT-SPBD20-14-EXT network transceiver module Fiber optic 1000 Mbit/s SFP Model AT-SPBD20-14-EXT View product	B HP 453151-B21 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm Model 453151-B21 View product
Performance2 differ
Single-mode fiber (SMF) supportedKnown for one	Yes	Unknown — not stated by the source
Fiber optic connectorDiffers	SC	SX
Maximum transfer distanceDiffers	20000 m	550 m
Tx wavelength (max)Known for one	1490 nm	Unknown — not stated by the source
Rx wavelength (max)Known for one	1310 nm	Unknown — not stated by the source
Tx power (min)Known for one	2 dBmW	Unknown — not stated by the source
Tx power (max)Known for one	7 dBmW	Unknown — not stated by the source
Link budgetKnown for one	31 dB	Unknown — not stated by the source
Duplex systemKnown for one	Full	Unknown — not stated by the source
Digital Diagnostics Monitoring (DDM)Known for one	Yes	Unknown — not stated by the source
Fiber ports quantityKnown for one	1	Unknown — not stated by the source
Multi-mode fiber (MMF) supportedKnown for one	Unknown — not stated by the source	Yes
SFP transceiver standardKnown for one	Unknown — not stated by the source	SX
WavelengthKnown for one	Unknown — not stated by the source	850 nm
Featuresidentical
Product colourKnown for one	Metallic	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	-40 - 185 °F	Unknown — not stated by the source
Packaging contentidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Other featuresidentical
RX sensitivityKnown for one	-29 dB	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	40 mm
DepthKnown for one	Unknown — not stated by the source	110 mm
HeightKnown for one	Unknown — not stated by the source	134.8 mm
WeightKnown for one	Unknown — not stated by the source	450 g

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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